F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
F16J 15/447 (2006.01) F01D 11/02 (2006.01)
Patent
CA 2639534
Labyrinth seals and methods of manufacturing the seals are provided. In an embodiment, the seal (100) includes a seal base (110) and a first annular tooth (112, 114, 116, 118, 120). The seal base (110) has an outer peripheral surface (124). The first annular tooth (112, 114, 116, 118, 120) extends radially from the seal base (110) outer periperhal surface (124). The first annular tooth (112, 114, 116, 118, 120) includes a forward wall, an aft wall, and a tip wall, and the forward wall (126) and the aft wall (128) each include bottom sections that contact the seal base (110) and angle upwardly toward or substantially parallel to each other. The forward wall (126) has a notch (306, 308) formed therein defined by a shelf wall (134) and a side wall, the shelf wall (134) and side wall (136) join the forward wall (126) to the tip wall, and the aft wall (128) is formed without a notch (306, 308). The side wall (136) and the aft wall (128) extend substantially parallel to each other.
Chougule Hasham
Ramachandran Dhinagaran
Ramerth Douglas Lyle
Gowling Lafleur Henderson Llp
Honeywell International Inc.
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